Victor Kostyuk

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Student engagement indicators, such as behavior and affective states, are known to impact learning. This study uses an established quantitative field observation method to evaluate engagement during students’ use of a new version of an online learning system (Reasoning Mind’s Genie 3). Improvements to Genie 3’s design intended to increase engagement(More)
The effect of some preservative solutions on changes in permeability of tissue—blood barriers of isolated loops of small intestine was studied in laboratory albino rats during perfusion of their vessels with 0.85% sodium chloride solution, with Ringer-Locke, Hanks', and Collins-2 solutions, and with the Soviet preparations Gemodez and Aminopeptid. The(More)
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